YOU SAID:

My fat pie fell on by sister's thicc head

INTO JAPANESE

私の太ったパイは妹のチッチヘッドで落ちた

BACK INTO ENGLISH

My fat pie fell on my sister's cicchhead.

INTO JAPANESE

私の太ったパイは妹のチッチヘッドに落ちました。

BACK INTO ENGLISH

My fat pie fell on my sister's cicchhead.